Several studies have tested the J-curve phenomenon for Australia using non-stationary aggregate trade data and have provided mixed results. They not only suffer from the 'aggregation bias problem' but also from the 'spurious regression problem'. To overcome these problems, in this paper we...

Testing purchasing power parity (PPP) in the black market has increased in recent years due to the apparent puzzle in the literature by which PPP is largely rejected in flexible exchange rate regimes. Many studies of PPP suffer from the problem of imposing symmetry and proportionality...